P/N 016-5030-020 Rev. D 27
VIPER 4
ENGAGE SWITCH
1. Review the on-screen instructions.
2. Press and release the foot switch or engage switch.
NOTE: The SmarTrax Setup MD Wizard will automatically advance to the next step in the calibration process
when the engage switch is detected.
WHEEL ANGLE SENSOR (WAS) CALIBRATION
The WAS calibration is required on the SmarTrax MD system. Once the WAS is detected in the system, the
following screen will be displayed:
FIGURE 26. WAS Calibration Screen
1. While driving slowly, turn the steering wheel fully to the left wheel lock.
2. Select Left.
3. Turn the steering wheel fully to the right wheel lock.
4. Select Right.
5. Select Next.
NOTE: If the steering wheel continues to turn when the wheels are turned fully to the left or right, be sure to
stop turning the steering wheel when the machine’s wheels stop moving.